Scala Reactive Programming

With or without Circuit Breaker

As we know, every System (either Reactive or Non-Reactive) has some dependency with some external Systems or components. Here, components or external Systems are Data Stores, Filesystems, Servers, REST APIs, Web Sites, and so on:

As we discussed in the Let-it-Crash design pattern section, faults or errors are common in each and every component or system. We cannot expect such issues as component down, crashes, restarts, out of memory, and so on.

When end users interact with our Reactive System and our System in turn interacts with external Systems or components to serve the users, the External System or components ...